Putter head



FIG. 1 is a perspective view thereof; and

FIG. 2 is a bottom plan view thereof; and

FIG. 3 is a top plan view thereof; and

FIG. 4 is a front view thereof; and

FIG. 5 is a rear view view thereof; and

FIG. 6 is a toe side view thereof; and,

FIG. 7 is a heel side view thereof. 

The ornamental design of a putter head, as shown and described. 